Update draft release notes to 1.7.6
[gitweb.git] / convert.c
index e0ee2451533ae572f7f9f4ce80a39bc582cab5ae..efc7e07d475c66f7835dc6cbbd3bc358f01c41c3 100644 (file)
--- a/convert.c
+++ b/convert.c
@@ -475,30 +475,6 @@ static int read_convert_config(const char *var, const char *value, void *cb)
        return 0;
 }
 
-static void setup_convert_check(struct git_attr_check *check)
-{
-       static struct git_attr *attr_text;
-       static struct git_attr *attr_crlf;
-       static struct git_attr *attr_eol;
-       static struct git_attr *attr_ident;
-       static struct git_attr *attr_filter;
-
-       if (!attr_text) {
-               attr_text = git_attr("text");
-               attr_crlf = git_attr("crlf");
-               attr_eol = git_attr("eol");
-               attr_ident = git_attr("ident");
-               attr_filter = git_attr("filter");
-               user_convert_tail = &user_convert;
-               git_config(read_convert_config, NULL);
-       }
-       check[0].attr = attr_crlf;
-       check[1].attr = attr_ident;
-       check[2].attr = attr_filter;
-       check[3].attr = attr_eol;
-       check[4].attr = attr_text;
-}
-
 static int count_ident(const char *cp, unsigned long size)
 {
        /*
@@ -727,66 +703,83 @@ static enum crlf_action input_crlf_action(enum crlf_action text_attr, enum eol e
        return text_attr;
 }
 
+struct conv_attrs {
+       struct convert_driver *drv;
+       enum crlf_action crlf_action;
+       enum eol eol_attr;
+       int ident;
+};
+
+static const char *conv_attr_name[] = {
+       "crlf", "ident", "filter", "eol", "text",
+};
+#define NUM_CONV_ATTRS ARRAY_SIZE(conv_attr_name)
+
+static void convert_attrs(struct conv_attrs *ca, const char *path)
+{
+       int i;
+       static struct git_attr_check ccheck[NUM_CONV_ATTRS];
+
+       if (!ccheck[0].attr) {
+               for (i = 0; i < NUM_CONV_ATTRS; i++)
+                       ccheck[i].attr = git_attr(conv_attr_name[i]);
+               user_convert_tail = &user_convert;
+               git_config(read_convert_config, NULL);
+       }
+
+       if (!git_checkattr(path, NUM_CONV_ATTRS, ccheck)) {
+               ca->crlf_action = git_path_check_crlf(path, ccheck + 4);
+               if (ca->crlf_action == CRLF_GUESS)
+                       ca->crlf_action = git_path_check_crlf(path, ccheck + 0);
+               ca->ident = git_path_check_ident(path, ccheck + 1);
+               ca->drv = git_path_check_convert(path, ccheck + 2);
+               ca->eol_attr = git_path_check_eol(path, ccheck + 3);
+       } else {
+               ca->drv = NULL;
+               ca->crlf_action = CRLF_GUESS;
+               ca->eol_attr = EOL_UNSET;
+               ca->ident = 0;
+       }
+}
+
 int convert_to_git(const char *path, const char *src, size_t len,
                    struct strbuf *dst, enum safe_crlf checksafe)
 {
-       struct git_attr_check check[5];
-       enum crlf_action crlf_action = CRLF_GUESS;
-       enum eol eol_attr = EOL_UNSET;
-       int ident = 0, ret = 0;
+       int ret = 0;
        const char *filter = NULL;
+       struct conv_attrs ca;
 
-       setup_convert_check(check);
-       if (!git_checkattr(path, ARRAY_SIZE(check), check)) {
-               struct convert_driver *drv;
-               crlf_action = git_path_check_crlf(path, check + 4);
-               if (crlf_action == CRLF_GUESS)
-                       crlf_action = git_path_check_crlf(path, check + 0);
-               ident = git_path_check_ident(path, check + 1);
-               drv = git_path_check_convert(path, check + 2);
-               eol_attr = git_path_check_eol(path, check + 3);
-               if (drv && drv->clean)
-                       filter = drv->clean;
-       }
+       convert_attrs(&ca, path);
+       if (ca.drv)
+               filter = ca.drv->clean;
 
        ret |= apply_filter(path, src, len, dst, filter);
        if (ret) {
                src = dst->buf;
                len = dst->len;
        }
-       crlf_action = input_crlf_action(crlf_action, eol_attr);
-       ret |= crlf_to_git(path, src, len, dst, crlf_action, checksafe);
+       ca.crlf_action = input_crlf_action(ca.crlf_action, ca.eol_attr);
+       ret |= crlf_to_git(path, src, len, dst, ca.crlf_action, checksafe);
        if (ret) {
                src = dst->buf;
                len = dst->len;
        }
-       return ret | ident_to_git(path, src, len, dst, ident);
+       return ret | ident_to_git(path, src, len, dst, ca.ident);
 }
 
 static int convert_to_working_tree_internal(const char *path, const char *src,
                                            size_t len, struct strbuf *dst,
                                            int normalizing)
 {
-       struct git_attr_check check[5];
-       enum crlf_action crlf_action = CRLF_GUESS;
-       enum eol eol_attr = EOL_UNSET;
-       int ident = 0, ret = 0;
+       int ret = 0;
        const char *filter = NULL;
+       struct conv_attrs ca;
 
-       setup_convert_check(check);
-       if (!git_checkattr(path, ARRAY_SIZE(check), check)) {
-               struct convert_driver *drv;
-               crlf_action = git_path_check_crlf(path, check + 4);
-               if (crlf_action == CRLF_GUESS)
-                       crlf_action = git_path_check_crlf(path, check + 0);
-               ident = git_path_check_ident(path, check + 1);
-               drv = git_path_check_convert(path, check + 2);
-               eol_attr = git_path_check_eol(path, check + 3);
-               if (drv && drv->smudge)
-                       filter = drv->smudge;
-       }
+       convert_attrs(&ca, path);
+       if (ca.drv)
+               filter = ca.drv->smudge;
 
-       ret |= ident_to_worktree(path, src, len, dst, ident);
+       ret |= ident_to_worktree(path, src, len, dst, ca.ident);
        if (ret) {
                src = dst->buf;
                len = dst->len;
@@ -796,8 +789,8 @@ static int convert_to_working_tree_internal(const char *path, const char *src,
         * is a smudge filter.  The filter might expect CRLFs.
         */
        if (filter || !normalizing) {
-               crlf_action = input_crlf_action(crlf_action, eol_attr);
-               ret |= crlf_to_worktree(path, src, len, dst, crlf_action);
+               ca.crlf_action = input_crlf_action(ca.crlf_action, ca.eol_attr);
+               ret |= crlf_to_worktree(path, src, len, dst, ca.crlf_action);
                if (ret) {
                        src = dst->buf;
                        len = dst->len;